package com.hafu.util;
/**
 * 实现链接数据库
 */

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class DbUtil {
    private static final String URL="jdbc:mysql://localhost:3306/db_jxcms1?useUnicode=true&characterEncoding=utf8&useSSL=false";
    private static final String USERNAME="root";
    private static final String PASSWORD="123456";
    private static Connection connection=null;
    public static  Connection getConn(){
        //获取Connection对象
        try {
            connection = DriverManager.getConnection(URL,USERNAME,PASSWORD);
            System.out.println("数据库连接成功");
        } catch (SQLException throwables) {
            throwables.printStackTrace();
        }
        return connection;
    }
    public static void closeConn(){
        try {
            if (connection != null) {
                connection.close();
            }
        } catch (SQLException throwables) {
            throwables.printStackTrace();
        }
    }
    public static void main(String[] args) {
        System.out.println(DbUtil.getConn());
    }
}
